UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kRwN9hqzOZ/CmAoSzMgx6vZ7b4I7bWktBcMJOIsnvUc=' 
WHERE 
  key_id = 'c7a842ad5a0005d0fc2cbd06b81324ea9ee668673b37e8469365010d4bec4f4f' 
  AND (
    token = 'kRwN9hqzOZ/CmAoSzMgx6vZ7b4I7bWktBcMJOIsnvUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052