UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exbhemzwMLoF8iwbJeqY+4NisVnZe0KxfuFcTQY8u8Y=' 
WHERE 
  key_id = 'e6a6dbdaf9a670307237d11293572044a289193a47c09137ea18150a589f706c' 
  AND (
    token = 'exbhemzwMLoF8iwbJeqY+4NisVnZe0KxfuFcTQY8u8Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )