UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zat/v5LUu7YgopA0oB83exqB9nGCp2uqPCrdh0hNuyQ=' 
WHERE 
  key_id = 'e8275289354137b392f78593a7781bc6bf00b1c2e0a8136b254080517c0c38d5' 
  AND (
    token = 'zat/v5LUu7YgopA0oB83exqB9nGCp2uqPCrdh0hNuyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )