UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EnWvuhe3R/JdNuMTq3C7y7sj79CUdUdt9sGNoV9uu9U=' 
WHERE 
  key_id = '494a65c293649930a87b2d558ad70b54e7dea510dc9c69634fe692344a67c676' 
  AND (
    token = 'EnWvuhe3R/JdNuMTq3C7y7sj79CUdUdt9sGNoV9uu9U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )