UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bj1bJvQwJbGw4vSFVTKbEft0EMbXrQvJCLVGv2Af/Sg=' 
WHERE 
  key_id = 'c6388ace3e569644d3baddf63490fee31bd047d56c6a5cec7de430d0a438bc54' 
  AND (
    token = 'Bj1bJvQwJbGw4vSFVTKbEft0EMbXrQvJCLVGv2Af/Sg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )