INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2c8d3de9387639a51f4876c9344e87ce9a9f559e47c810396ad0e86285b16b42', 
    'DHYxFezZ6yu7/i4sxY5S2RiPdHVsu9/Q3iKmItRZcFQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)