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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'fe9f486923a8119fe0bf4b557aa89e312336a4fb347b7ae7ac480f0637f23dee' 
  AND token = 'v9jI/m+Ma0K/ONsPRP8tMW2ys6P4AAO/Urp1gieOgoU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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