UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FL/4tnx/mlgUhWsUrfRQdUbnEaf6555Fs+sB8IMuA44=' 
WHERE 
  key_id = '50b7e71f627eca17bf196cd84c0d2973b6bbedae99dd77749d2d867a176d6d2d' 
  AND (
    token = 'FL/4tnx/mlgUhWsUrfRQdUbnEaf6555Fs+sB8IMuA44=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )