UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'reU3fPdS6xOu7VvfViTE0O0QR83zCHPDfVjgZ6+wRRI=' 
WHERE 
  key_id = '59876b087200d840e4a0e0022f136be8112086ee13b3de9052b38774b1a183d7' 
  AND (
    token = 'reU3fPdS6xOu7VvfViTE0O0QR83zCHPDfVjgZ6+wRRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )