UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9lWZ0XpHAGQyu+0+Ufl2cLU+KYjQKMPtfK07+nnHHJg=' 
WHERE 
  key_id = '8bda0a1298418ee61393638bdcbaaf1030f6ed8f5820486a3159b4434b8db0a5' 
  AND (
    token = '9lWZ0XpHAGQyu+0+Ufl2cLU+KYjQKMPtfK07+nnHHJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )