UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MReg9/LiTZ5r3E1mweVuTa6FGLAo4hMn4TNeJLLf6xE=' 
WHERE 
  key_id = 'c68684be5d356871b6d00fef4fe911fe10354a4949babb0254decfa366f057d1' 
  AND (
    token = 'MReg9/LiTZ5r3E1mweVuTa6FGLAo4hMn4TNeJLLf6xE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )