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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fadd3ae616d2fbb2350e961c7974c4745384f6ab1ba959cacc3c41da7fadf2b4' 
  AND token = 'AvV2PAM0fMZNTh3JnUWU2/2dq4LJPon/oc/64ul0axU=' 
  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"
    }
  }
}