UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HBFfSFOrqGEc4iqSlWSsnbhU6OIToAgT8CfW69MGSc4=' 
WHERE 
  key_id = '3679c56387ee32a6b684b7ededc04f26c9f5530a1a26c8bce9b59a2ee4d7cd7e' 
  AND (
    token = 'HBFfSFOrqGEc4iqSlWSsnbhU6OIToAgT8CfW69MGSc4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022