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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd0d06a9c67fdecebf879dc91fe0fb6c47a905d1c9dac245d01708ef689e4cbab' 
  AND token = 'B0gnIoDACUcSJzj0M9D7O42IZUUy8Lg8Q+tEAIFcuB8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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