UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AhDDn5kBHwxD93yvReZZAitL/GrybRivk82EGvA2a0k=' 
WHERE 
  key_id = '6308753b9fd12e81e6c9a6127c77f5118fc03b8f3d5baf03213e15175d1c3249' 
  AND (
    token = 'AhDDn5kBHwxD93yvReZZAitL/GrybRivk82EGvA2a0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )