UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3GqwdtNcHsZW6aOTY5BVFnz0P7DZtgO87hmf6bElFy8=' 
WHERE 
  key_id = '852e30c21d4e81c0704a855ef11201e2b38766c8caa500befa8dfde7310718df' 
  AND (
    token = '3GqwdtNcHsZW6aOTY5BVFnz0P7DZtgO87hmf6bElFy8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )