UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VRHRvRQS55LaXfXvZV0mcbKhymvfZ/xyR4o99Q2e0ns=' 
WHERE 
  key_id = '548a403a0b33476fd06df0833483b6a9ac92c20635c2d70e9732ab84643c1984' 
  AND (
    token = 'VRHRvRQS55LaXfXvZV0mcbKhymvfZ/xyR4o99Q2e0ns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )