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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '119472e890f3c9fae3461dfdb8496c27f037645a2f3b7ca17ef5f3aafd861b83' 
  AND token = 'gAne4WYEhgyB8Cp28pwPF7Hl5nTSEUbX0PI3GsHztH8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}