UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'fRWoB+FOTRI+MC9dX9WH04qkc1s+Ehg7uLWGGpg+jK8=' 
WHERE 
  key_id = 'e82a713e504ac5c95b5cccdf07a715679b238094b4a937e8bf1e4186f19c1fe4' 
  AND (
    token = 'fRWoB+FOTRI+MC9dX9WH04qkc1s+Ehg7uLWGGpg+jK8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )