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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05d3143bcc7f5df3677c41fc0702553557be1f5becc7f1645894b2267aee01cb' 
  AND token = 'Fa8ppXGyBKWTTBd6QbzGRVO9x83uvNC01fBbuuF2C9Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}