INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '547cffadaa6f9663f731da53b51456c07d6a65d13505cf26dedaa1c3663a7ead', 
    '4jbrYhkonxXprDFkQgPo12OWAlpOHSWXYPXGkW3C0qc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)