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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '94aa0cdc19936caf5b524592c25bbe378f667ffc27bd198d6b986b523f195737' 
  AND token = 'c1H0BfGHT7abTR/Wr3+PpziXXroNlKZdIASEP+05U5c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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